You Have Estimated the Following Equation: = 607

question 12

Multiple Choice

You have estimated the following equation: = 607.3 + 3.85 Income - 0.0423 Income2, where TestScore is the average of the reading and math scores on the Stanford 9 standardized test administered to 5th grade students in 420 California school districts in 1998 and 1999.Income is the average annual per capita income in the school district,measured in thousands of 1998 dollars.The equation

• A)suggests a positive relationship between test scores and income for most of the sample.
• B)is positive until a value of Income of 610.81.
• C)does not make much sense since the square of income is entered.
• D)suggests a positive relationship between test scores and income for all of the sample.

---

Definitions:

Organization

Piaget’s concept of grouping isolated behaviors into a higher-order, more smoothly functioning cognitive system; the grouping or arranging of items into categories.

Explicit Memory

Conscious memory of facts and experiences.

Organization

refers to a structured group of people who work together to achieve a shared goal or objective, often through a defined hierarchy and roles.

Perceptual-Motor

Refers to the linkage between perception and motor movement, where sensory information is utilized to guide physical actions effectively.